draft_content_name = 'draft_content.json'# file
draft_meta_content_name = 'draft_meta_info.json'# file

key_materials = 'materials'

key_materials_audios = 'audios'
key_materials_audios_path = 'path'
key_materials_audios_name = 'name'
key_materials_audios_duration = 'duration'
key_materials_audios_type = 'type'

key_materials_texts = 'texts'
key_materials_texts_content = 'content' #json
key_materials_texts_words = 'words'
key_materials_texts_end_time = 'end_time'
key_materials_texts_start_time = 'start_time'
key_materials_texts_text = 'text'

key_materials_videos = 'videos'
key_materials_videos_name = 'material_name'
key_materials_videos_path = 'path'
key_materials_videos_type = 'type'
key_materials_videos_duration = 'duration'

key_tracks = 'tracks'
key_tracks_id = '95CD10D0-D6B0-4923-87E8-B2D764137687'